package fr.uha.ensisa.kfetmanager.customer;

import java.io.IOException;
import java.io.PrintWriter;
import java.text.DateFormat;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author JC
 */
public class GetCustomer extends HttpServlet {

    @EJB
    private CustomerManagerRemote customerManager;

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        Customer c;
        String idString = request.getParameter("customerId");
        Long id;

        try {
            id = Long.valueOf(idString);
        } catch (Exception e) {
            response.sendError(response.SC_BAD_REQUEST);
            return;
        }

        try {
            c = customerManager.getCustomer(id);
        } catch (Exception e) {
            response.sendError(response.SC_INTERNAL_SERVER_ERROR, "Erreur lors de la recherche de clients");
            return;
        }

        response.setContentType("text/xml;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            out.println("<customer>");
            if (c != null) {
                out.println("<id>" + c.getId().toString() + "</id>");
                out.println("<firstname>" + c.getFirstName() + "</firstname>");
                out.println("<lastname>" + c.getLastName() + "</lastname>");
                out.println("<nickname>" + c.getNickname() + "</nickname>");
                out.println("<balance>" + String.valueOf(c.getBalance()) + "</balance>");
                out.println("<gerant>" + String.valueOf(c.isGerantKfet()) + "</gerant>");
                out.println("<category>" + c.getCategory().getLabel() + "</category>");
                out.println("<creationdate>" + DateFormat.getDateInstance(DateFormat.MEDIUM).format(c.getCreationDate()) + "</creationdate>");
             }
            out.println("</customer>");
        } finally {
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
